changed getDataSize() to getData()

Conflicts:
	EazeGraphLibrary/src/main/java/org/eazegraph/lib/charts/BarChart.java
	EazeGraphLibrary/src/main/java/org/eazegraph/lib/charts/BaseChart.java
	EazeGraphLibrary/src/main/java/org/eazegraph/lib/charts/StackedBarChart.java
added missing brackets
Moved 'ShowValues' to BarChart as it is only used there and created the corresponding XML-attribute.

Merge branch 'getdata' of https://github.com/j4velin/EazeGraph into j4velin-getdata

Conflicts:
	EazeGraphLibrary/src/main/java/org/eazegraph/lib/charts/BaseChart.java
Merge branch 'j4velin-getdata'